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OPERATING SEGMENT INFORMATION (Schedule of Operating Segment Financial Information) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net Sales	$ 145,705	$ 94,999	$ 399,608	$ 305,367
Income (Loss) Before Income Taxes	32,894	6,373	78,404	32,184
Identifiable Assets	310,568		310,568		$ 348,961
Firearms [Member]
Segment Reporting Information [Line Items]
Net Sales	145,157	94,062	397,335	301,965
Income (Loss) Before Income Taxes	33,659	5,778	78,859	31,117
Identifiable Assets	151,339		151,339		163,792
Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	548	937	2,273	3,402
Income (Loss) Before Income Taxes	(633)	(101)	(1,356)	(1,135)
Identifiable Assets	11,390		11,390		11,332
Corporate [Member]
Segment Reporting Information [Line Items]
Income (Loss) Before Income Taxes	(132)	696	901	2,202
Identifiable Assets	147,839		147,839		$ 173,837
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Net Sales	(5,996)	(3,924)	(15,784)	(14,090)
Intersegment Elimination [Member] | Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	5,996	3,924	15,784	14,090
Operating Segments [Member] | Unaffiliated Castings [Member]
Segment Reporting Information [Line Items]
Net Sales	$ 6,544	$ 4,861	$ 18,057	$ 17,492

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